Cognomen Koulahoue (Koulahoue 
) , in the world, is an extremely rare family name. The last name Koulahoue is habitual in Nigeria, where it is an extremely rare surname, and the United States. Also, Koulahoue is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koulahoue | United States, Nigeria |